| 摘要 |
<p>A converter (40) for wireless point of sale (POS) credit or debit card transactions includes a first modem (42) connected to a POS installation to receive card information and transaction information in land-line format. A CPU with programmed memory (44) identifies a CDPD IP address from the information received and converts the message to CDPD format. A second modem (46) communicates via CDPD network with a host computer that authorizes or declines authorization. The second modem (46) receives the authorization message via CDPD network, converts it to telephone land-line format and communicates it to the POS installation (34).</p> |
